CVE-2026-42979CWE-362CWE-416

Windows Push Notifications Elevation of Privilege Vulnerability

High · published June 9, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
9.7
In the wild
Unconfirmed
What it is

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00202 · 9.7th percentile
Weaknesses
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'); CWE-416 · Use After Free
Published
2026-06-09T17:06Z
EPSS history
Timeline
  • 09 JUN 17:06Z
    Windows Push Notifications Elevation of Privilege Vulnerability
    cvelistv5